WattsWatts RPZ Backflow Preventers
Watts Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor
The WATTS Reduced Pressure Zone Assembly: LF909 Large is a Watts RPZ Backflow Preventer featuring a cast iron body and flange connection type. This model includes a flood detection sensor and is equipped with an OSY…
SKU 3G-OTH-444374
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerNo account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h
Not sure this is the right part? Get a recommendation.
Need installation or engineering help?
Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineerAsk a question
Watts Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The WATTS Reduced Pressure Zone Assembly: LF909 Large is a Watts RPZ Backflow Preventer featuring a cast iron body and flange connection type. This model includes a flood detection sensor and is equipped with an OSY Gate Valve shut-off valve type, as indicated by the manufacturer part number LF909-DOSY-FS.
Used in
Common applications for WattsIndustrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing
Watts Products
3G Electric supplies Watts watts rpz backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
